In which of the scenarios will the DBA perform recovery（） The alert log file is corrupted.。 A tablespace is accidentally dropped.。 One of the redo log members is corrupted.。 A database user terminates the session abnormally.。 The hard disk on which the data file is stored is corrupted.。
原油经过处理后含盐量必须低于（）Ptb 20。 25。 30。
Your database initialization parameter file has the following entry： SEC_MAX_FAILED_LOGIN_ATTEMPTS=3 Which statement is true regarding this setting？（） It drops the connection after the specified number of login attempts fail for any user.。 It is enforced only if the password profile is enabled for the user.。 It locks the user account after the specified number of attempts.。 It drops the connection after the specified number of login attempts fail only for users who have the SYSDBA privilege.。
（）负责施工组织设计、施工进度计划、竣工报告等，对施工进度进行控制和协调，每周召开施工例会，检查和安排每周的工作计划，协调解决施工中存在的问题，确保每周计划按期完成。 综合部。 工程部。 质量安全部。 技术部。
An application that needs to use a shared library has a deployment descriptor that only specifies the Specification-Version and Extension-Name of the shared library. When the application is deployed, which shared library will be used?（） The application will go into an ADMIN state and fail to deploy because the Implementation- Version is required.。 The application will be deployed but the classes in the shared library will not be available.。 If you are using the WebLogic Admin Console, you will be prompted for the version you want to use; otherwise, the application will fail to deploy.。 If there are multiple versions of the shared library deployed, WebLogic will use the one with the highest Implementation-Version.。 If there are multiple versions of the shared library deployed, WebLogic will use the one that was deployed most recently.。
混凝土内存在杂物且深度超过保护层厚度，该混凝土缺陷现象称为（）。
